20006521330176 has 100 divisors (see below), whose sum is σ = 59714198373522. Its totient is φ = 6668840429568.

The previous prime is 20006521330163. The next prime is 20006521330217. The reversal of 20006521330176 is 67103312560002.

20006521330176 is a `hidden beast` number, since 200 + 0 + 6 + 52 + 1 + 330 + 1 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17348891040000 + 2657630290176 = 4165200^2 + 1630224^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20006521330176.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 241163695 + ... + 241246638.

Almost surely, 2^{20006521330176} is an apocalyptic number.

It is an amenable number.

20006521330176 is an abundant number, since it is smaller than the sum of its proper divisors (39707677043346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20006521330176 is an frugal number, since it uses more digits than its factorization.

20006521330176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482410363 (or 482410338 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 20006521330176 its reverse (67103312560002), we get a palindrome (87109833890178).

The spelling of 20006521330176 in words is "twenty trillion, six billion, five hundred twenty-one million, three hundred thirty thousand, one hundred seventy-six".